CN204391029U - A kind of integral type closes fuse unit - Google Patents

Abstract

The utility model discloses an integrated closed fuse cylinder, which comprises a cylinder body and contact pins, the contact pins are arranged in the cylinder body, and a conductive end cover is arranged on the contact pins. One side of the conductive end cover is provided with a conductive end surface. The utility model draws the cable out of the cylinder through the conductive end cover arranged on the outside of the contact. The cylinder adopts the overall encapsulation technology to eliminate the leakage caused by the looseness of the lock nut, improve the insulation of the product, and has a simple structure. Practical and lightweight.

Description

An integrated closed fuse cartridge

technical field

The utility model relates to a fuse cartridge, in particular to an integrated closed fuse cartridge.

Background technique

The fuse barrel is one of the indispensable and important parts in the inflatable cabinet, which plays a vital role in the on-off of the switch; the fuse can be blown by adding enough voltage and current to the specific contact pin After the fuse inside is blown out, the positive and negative poles of the fuse cylinder cannot be energized, which plays a role of safety protection.

At present, the fuse cartridges are mainly exposed-type products. The cylinder body is fixedly connected by a lock nut, which lacks protection for the contacts. In an environment where the temperature is too high or too low, the lock nut is prone to loosening and there is a risk of leakage, resulting in The fuse cartridge is in poor contact and cannot be energized, which affects the judgment of the current and voltage.

Contents of the invention

The purpose of this utility model is to provide a simple in structure, practical and portable one-piece closed fuse cartridge in order to solve the above problems.

The utility model comprises a cylinder body and a contact pin, the contact pin is arranged in the cylinder body, a conductive end cover is arranged on the contact pin, and a conductive end surface is arranged on one side of the conductive end cover .

Specifically, the conductive end shield is an aluminum alloy conductive end shield.

Further, a corrugated connection surface is provided at the connection between the conductive end shield and the barrel.

Specifically, a sealant ring groove is provided at the lower end of the barrel.

The beneficial effects of the utility model are:

The utility model draws the cable out of the cylinder through the conductive end cover arranged on the outside of the contact pin. The cylinder adopts the overall encapsulation technology to eliminate the leakage caused by the looseness of the lock nut and improve the insulation of the product. Simple, practical and lightweight.

Description of drawings

Fig. 1 is a structural representation of the utility model;

In the figure: 1- barrel, 2- conductive end cover, 3- contact pin, 4- conductive end face, 5- corrugated connection surface, 6- sealing ring groove.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, the utility model includes a cylinder 1 and a contact pin 3, the contact pin 3 is arranged in the cylinder 1, the contact pin 3 is provided with a conductive end cover 2, and the conductive end cover 2 One side is provided with a conductive end surface 4 to lead the cable of the contact pin 3 out of the cylinder 1 to prevent the impact on the contact pin 3 in an environment with too high or too low temperature.

The conductive end cover 2 is an aluminum alloy conductive end cover, and the connection between the conductive end cover 2 and the cylinder body 1 is provided with a corrugated connection surface 5 to stabilize the sealing performance between the aluminum alloy conductive end cover and the cylinder body.

The lower end of the cylinder body 1 is provided with a sealant ring groove 6, which effectively restrains the deformation of the O-shaped seal ring when the air is heavy in the cabinet, resulting in air leakage.

The utility model draws the cable out of the cylinder 1 through the conductive end cover 2 arranged outside the contact pin 3, and the cylinder 1 adopts the overall encapsulation technology to prevent leakage caused by the looseness of the lock nut and improve the safety of the product. Insulation, simple structure, practical and light.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (4)

1. An integrated closed fuse cartridge, comprising a cylinder body and contact pins, the contact pins are arranged in the cylinder body, characterized in that: the contact pins are provided with a conductive end cover, One side of the conductive end cover is provided with a conductive end surface. 2. An integrated closed fuse cartridge according to claim 1, characterized in that: the conductive end cover is an aluminum alloy conductive end cover. 3. The one-piece sealed fuse cartridge according to claim 1 or 2, characterized in that: a corrugated connection surface is provided at the connection between the conductive end cover and the cylinder body. 4. The one-piece sealed fuse cartridge according to claim 1, characterized in that: the lower end of the barrel is provided with a sealant ring groove.